<ARTICLE> 5 <LEGEND> SWIFT ENERGY INCOME PARTNERS 1987-B, LTD'S BALANCE SHEET AND STATEMENT OF OPERATIONS CONTAINED IN ITS FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 1996. </LEGEND> <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> MAR-31-1996 <CASH> 1,103 <SECURITIES> 0 <RECEIVABLES> 594,276 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 601,462 <PP&E> 25,089,749 <DEPRECIATION> (19,989,729) <TOTAL-ASSETS> 5,705,347 <CURRENT-LIABILITIES> 757,751 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 4,701,852 <TOTAL-LIABILITY-AND-EQUITY> 5,705,347 <SALES> 620,450 <TOTAL-REVENUES> 625,932 <CGS> 0 <TOTAL-COSTS> 364,185<F1> <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 7,955 <INCOME-PRETAX> 187,634 <INCOME-TAX> 0 <INCOME-CONTINUING> 187,634 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 187,634 <EPS-PRIMARY> 0 <EPS-DILUTED> 0 <FN> <F1>Includes lease operating expenses, production taxes and depreciation, depletion and amortization expense. Excludes general and administrative and interest expense. </FN>